New York 12D

Northbound NY 12D reassurance marker in Boonville. (Mark Sinsabaugh, 06/15/2009)

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Southern Terminus:	NY 12, Boonville
Northern Terminus:	NY 12, Lyons Falls
Length:	11.52 miles (18.55 km)
Orientation:	North-South
Counties:	Oneida, Lewis
Cities:	None
Villages:	Boonville, Lyons Falls
Towns:	Boonville, Leyden, West Turin
Name(s):	Post St.
History:	Previously designated NY 337 in Lyons Falls
Recommendation:	We recommend replacing the NY 12D designation with a northern extension of NY 46 except through downtown Boonville where an eastern extension of NY 294 would replace NY 12D.

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Mile	Desc.	NORTH (Read Down)	SOUTH (Read Up)
.	.		.
0.00	JCT (ST)
		.	(Mark Sinsabaugh, 06/15/2019)
0.62	JCT	(NT)
		(Mark Sinsabaugh, 06/15/2019)	(Mark Sinsabaugh, 06/15/2019)
1.03	.	.
		.	(Mark Sinsabaugh, 09/10/2011)
2.27	.
		(Mark Sinsabaugh, 09/10/2011)	(Mark Sinsabaugh, 09/10/2011)
7.75	JCT	Formerly (1930-55)
9.24	JCT
		(Mark Sinsabaugh, 07/23/2023)	(Mark Sinsabaugh, 08/23/2021)
9.50	.	NEXT 2 MILES ALL TRUCKS BUSES AND CARS WITH TRAILERS MUST STOP	.
10.95	.		.
		(Mark Sinsabaugh, 09/10/2011)	.
11.52	JCT (NT)
		(Mark Sinsabaugh, 07/23/2023)	.
.	.	.

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Overhead signage for the mandatory truck pulloff on NY 12D north. NY 12D descends on a steep grade as it enters the northern terminus in Lyons Falls. There is supposed to be a large sign at the pulloff describing the downgrade, however the sign was missing at the time this photo was taken. (Mark Sinsabaugh, 03/29/2008) The large sign at the truck pulloff describing the downhill grade into Lyons Falls. The sign was knocked down during the winter on 2007-08 and has not been replaced since. (Douglas Kerr, 06/24/2007) If you have photos to submit, please contact us.

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Alps Roads (Steve Alpert) Wikipedia: New York 12D

Page Created: July 12, 2007 | Page Updated: July 23, 2023